diff options
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 12 | 
1 files changed, 6 insertions, 6 deletions
| diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index d4ff01970547..3ffa502fb243 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c | |||
| @@ -483,7 +483,7 @@ struct ring_buffer_iter { | |||
| 483 | /* Up this if you want to test the TIME_EXTENTS and normalization */ | 483 | /* Up this if you want to test the TIME_EXTENTS and normalization */ | 
| 484 | #define DEBUG_SHIFT 0 | 484 | #define DEBUG_SHIFT 0 | 
| 485 | 485 | ||
| 486 | static inline u64 rb_time_stamp(struct ring_buffer *buffer, int cpu) | 486 | static inline u64 rb_time_stamp(struct ring_buffer *buffer) | 
| 487 | { | 487 | { | 
| 488 | /* shift to debug/test normalization and TIME_EXTENTS */ | 488 | /* shift to debug/test normalization and TIME_EXTENTS */ | 
| 489 | return buffer->clock() << DEBUG_SHIFT; | 489 | return buffer->clock() << DEBUG_SHIFT; | 
| @@ -494,7 +494,7 @@ u64 ring_buffer_time_stamp(struct ring_buffer *buffer, int cpu) | |||
| 494 | u64 time; | 494 | u64 time; | 
| 495 | 495 | ||
| 496 | preempt_disable_notrace(); | 496 | preempt_disable_notrace(); | 
| 497 | time = rb_time_stamp(buffer, cpu); | 497 | time = rb_time_stamp(buffer); | 
| 498 | preempt_enable_no_resched_notrace(); | 498 | preempt_enable_no_resched_notrace(); | 
| 499 | 499 | ||
| 500 | return time; | 500 | return time; | 
| @@ -599,7 +599,7 @@ static struct list_head *rb_list_head(struct list_head *list) | |||
| 599 | } | 599 | } | 
| 600 | 600 | ||
| 601 | /* | 601 | /* | 
| 602 | * rb_is_head_page - test if the give page is the head page | 602 | * rb_is_head_page - test if the given page is the head page | 
| 603 | * | 603 | * | 
| 604 | * Because the reader may move the head_page pointer, we can | 604 | * Because the reader may move the head_page pointer, we can | 
| 605 | * not trust what the head page is (it may be pointing to | 605 | * not trust what the head page is (it may be pointing to | 
| @@ -1868,7 +1868,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, | |||
| 1868 | * Nested commits always have zero deltas, so | 1868 | * Nested commits always have zero deltas, so | 
| 1869 | * just reread the time stamp | 1869 | * just reread the time stamp | 
| 1870 | */ | 1870 | */ | 
| 1871 | *ts = rb_time_stamp(buffer, cpu_buffer->cpu); | 1871 | *ts = rb_time_stamp(buffer); | 
| 1872 | next_page->page->time_stamp = *ts; | 1872 | next_page->page->time_stamp = *ts; | 
| 1873 | } | 1873 | } | 
| 1874 | 1874 | ||
| @@ -2111,7 +2111,7 @@ rb_reserve_next_event(struct ring_buffer *buffer, | |||
| 2111 | if (RB_WARN_ON(cpu_buffer, ++nr_loops > 1000)) | 2111 | if (RB_WARN_ON(cpu_buffer, ++nr_loops > 1000)) | 
| 2112 | goto out_fail; | 2112 | goto out_fail; | 
| 2113 | 2113 | ||
| 2114 | ts = rb_time_stamp(cpu_buffer->buffer, cpu_buffer->cpu); | 2114 | ts = rb_time_stamp(cpu_buffer->buffer); | 
| 2115 | 2115 | ||
| 2116 | /* | 2116 | /* | 
| 2117 | * Only the first commit can update the timestamp. | 2117 | * Only the first commit can update the timestamp. | 
| @@ -2681,7 +2681,7 @@ unsigned long ring_buffer_entries(struct ring_buffer *buffer) | |||
| 2681 | EXPORT_SYMBOL_GPL(ring_buffer_entries); | 2681 | EXPORT_SYMBOL_GPL(ring_buffer_entries); | 
| 2682 | 2682 | ||
| 2683 | /** | 2683 | /** | 
| 2684 | * ring_buffer_overrun_cpu - get the number of overruns in buffer | 2684 | * ring_buffer_overruns - get the number of overruns in buffer | 
| 2685 | * @buffer: The ring buffer | 2685 | * @buffer: The ring buffer | 
| 2686 | * | 2686 | * | 
| 2687 | * Returns the total number of overruns in the ring buffer | 2687 | * Returns the total number of overruns in the ring buffer | 
